Silver halide color photographic materials

Abstract

A silver halide color photographic light-sensitive material is described, containing at least one coupler represented by formula (I) ##STR1## wherein R 1 represents a substituted or unsubstituted ureido group or a substituted or unsubstituted acrylamino group; R 2 represents substituted or unsubstituted acylamino group; L represents a group which is capable of being released from the phenolic group of formula (I) in a reaction with the oxidation product of a developing agent, and releases -O-A thereafter; n represents 0 or 1; and A represents an aromatic group including a hydroxy group or a substituted or unsubstituted amino group at least one of the 2-position and the 4-position thereof.

What is claimed is: 
     
       1. A silver halide color photographic material containing at least one coupler represented by formula (I) ##STR19## wherein R 1  represents a substituted or unsubstituted ureido group or a substituted or unsubstituted acylamino group; R 2  represents a substituted or unsubstituted acylamino group; L represents a group which is capable of being released from the phenolic group of formula (I) in a reaction with the oxidation product of a developing agent, and releases --O--A thereafter; n represents 0 or 1; and A represents an aromatic group substituted with a hydroxy group or a substituted amino group selected from the group consisting of an aliphatic amino group, an aromatic amino group, an acylamino group, a sulfonamido group, a carbmoylamino group, a sulfamoylamino group, an alkoxyamino group, a hydroxyamino group and an acyloxyamino group or an unsubstituted amino group at at least one of the 2-position and the 4-position thereof, wherein said silver halide color photographic material contains at least one other color image-forming coupler together with the coupler represented by formula (I), which at least one other color-image forming coupler is represented by formula (III) ##STR20## wherein R 11  represents a substituted or unsubstituted ureido group or a substituted or unsubstituted acylamino group; and R 12  represents a substituted or unsubstituted acylamino group; and X represents a hydrogen atom or a coupler releasable group. 
     
     
       2. A silver halide color photographic material as in claim 1, wherein the coupler represented by formula (I) exists in a red-sensitive silver halide emulsion layer of the color photographic material. 
     
     
       3. A silver halide color photographic material as in claim 2, wherein the coupler represented by formula (I) exists in the red-sensitive silver halide emulsion layer together with the at least one other color image forming coupler. 
     
     
       4. A silver halide color photographic material as in claim 2, wherein the ratio of the coupler represented by the general formula (I)/other color image-forming coupler is from 10/90 to 60/40. 
     
     
       5. A silver halide color photographic material as in claim 1, wherein X in formula (III) is a chlorine atom, an aromatic oxy group, or an aliphatic oxy group. 
     
     
       6. A silver halide color photographic material comprising a support having thereon at least one red-sensitive emulsion layer, at lest one green-sensitive emulsion layer, and at least one blue-sensitive emulsion layer, said red-sensitive emulsion layer containing at least one coupler represented by formula (I) ##STR21## wherein R 1  represents a substituted or unsubstituted ureido group or a substituted or unsubstituted acylamino group; R 2  represents a substituted or unsubstituted acylamino group; L represents a group capable of being released from the phenolic group of formula (I) in a reaction with the oxidation product of a developing agent, and releases --O--A thereafter; n represents 0 or 1; and A represents an aromatic group substituted by a hydroxy group or a substituted amino group related from the group consisting of an aliphatic amino group, an aromatic amino group, an acylamino group, a sulfonamido group, a carbmoylamino group, a sulfamoylamino group, an alkoxyamino group, a hydroxyamino group and an acyloxyamino group or an unsubstituted amino group at at least one of the 2-position and the 4-position thereof, wherein said silver halide color photographic material contains at least one other color image-forming coupler together with the coupler represented by formula (I), which at least one other color-image forming coupler is represented by formula (III) ##STR22## wherein R 11  represents a substituted or unsubstituted ureido group or a substituted or unsubstituted acylamino group; and R 12  represents a substituted or unsubstituted acylamino group; and X represents a hydrogen atom or a coupler releasable group. 
     
     
       7. A silver halide color photographic material as in claim 6, wherein the coupler represented by formula (I) exists in the red-sensitive emulsion layer together with the at least one other color image-forming coupler. 
     
     
       8. A silver halide color photographic material as in claim 7, wherein the ratio of the coupler represented by formula (I)/other color image-forming coupler is from 10/90 to 60/40. 
     
     
       9. A silver halide color photographic material as in claim 1, wherein R 1  represents a substituted ureido group and said R 1  of formula (I) is represented by formula (II-a) or (II-b) ##STR23## wherein R 3  represents an aliphatic group, an aromatic group, a halogen atom, an alkoxy group, an aryloxy group, an acylamino group, an alkoxycarbonyl group, an aryloxycarbonyl group, a cyano group, a nitro group, a sulfonyl group, a sulfamoyl group, a carbamoyl group, a ureido group, a carboxyl group, a hydroxyl group, a nitroso group, an alkylthio group, an arylthio group, an acyl group, a sulfonamido group, an acyloxy group, a heterocyclic group, an alkoxycarbonylamino group, an oxamoyl group, a thioacyl group, an acylcarbamoyl group, a sulfinyl group, a thioureido group, a thiocarbamoyl group, a diacylamino group, or an amino group; m represents an integer of 0 to 5, and when m is 2 or more, the R 3  groups can be the same or different. 
     
     
       10. A silver halide color photographic material as in claim 1, wherein R 1  or R 2  represents an aliphatic or aromatic acylamino group. 
     
     
       11. A silver halide color photographic material as in claim 10, wherein R 1  or R 2  is an aliphatic acylamino group and the number of carbon atoms of the group is from 1 to 32. 
     
     
       12. A silver halide color photographic material as in claim 11, wherein the aliphatic acylamino group is a cyclic or non-cyclic group, a straight chain or branched chain group, a saturated or unsaturated group, and a substituted or unsubstituted group. 
     
     
       13. A silver halide color photographic material as in claim 12, wherein the substituents for the substituted group are a halogen atom, an aryloxy group, an arylthio group, an aryloxycarbonyl group, an alkoxycarbonyl group, an acyloxy group, an acylamino group, a sulfonamido group, a hydroxyl group, a carbonyl group, a cyano group, an aryl group, an alkoxy group, an alkylthio group, a carbamoyl group, and a ureido group. 
     
     
       14. A silver halide color photographic material as in claim 10, wherein R 1  or R 2  is an aromatic acylamino group and the number of carbon atoms of the group is from 6 to 10. 
     
     
       15. A silver halide color photographic material as in claim 14, wherein the aromatic acylamino group is a substituted or unsubstituted phenyl group. 
     
     
       16. A silver halide color photographic material as in claim 15, wherein the substituent for the substituted phenyl group are a halogen atom, a sulfonamido group, an alkoxy group, an alkoxycarbonyl group, an aliphatic group, an aryl group, a cyano group, a sulfonyl group, a sulfamoyl group, an acylamino group, a hydroxy group, an alkylthio group, a carbamoyl group, a carboxy group, and a ureido group. 
     
     
       17. A silver halide color photographic material as in claim 1, wherein the connecting group represented by L in formula (I) are a group capable of being cleaved by an intramolecular nucleophilic substitution reaction after being released from the coupler, a group capable of being cleaved by an electron transfer through a covalent bond, a methyleneoxy group, a oxycarbonyloxy group, and a group capable of being cleaved by an electron transfer through a sigma (σ) bond. 
     
     
       18. A silver halide color photographic material as in claim 6 wherein the connecting group represented by L in formula (I) are a group capable of being cleaved by an intramolecular nucleophilic substitution reaction after being released from the coupler, a group capable of being cleaved by an electron transfer through a covalent bond, a methyleneoxy group, a oxycarbonyloxy group, and a group capable of being cleaved by an electron transfer through a sigma (σ) bond. 
     
     
       19. A silver halide color photographic light-sensitive material as in claim 6, wherein R 1  represents a substituted ureido group and said R 1  of formula (I) is represented by formula (II-a) or (II-b) ##STR24## wherein R 3  represents an aliphatic group, an aromatic group, a halogen atom, an alkoxy group, an aryloxy group, an acylamino group, an alkoxycarbonyl group, an acylamino group, an alkoxycarbonyl group, an aryloxycarbonyl group, a cyano group, a nitro group, a sulfonyl group, a sulfamoyl group, a carbamoyl group, a ureido group, a carboxyl group, a hydroxyl group, a nitroso group, an alkylthio group, an arylthio group, an acyl group, a sulfonamido group, an acyloxy group, a heterocyclic group, an alkoxycarbonylamino group, an oxamoyl group, a thioacyl group, an acylcarbamoyl group, a sulfinyl group, a thioureido group, a thiocarbamoyl group, a diacylamino group, or an amino group; m represents an integer of 0 to 5, and when m is 2 or more, the R 3  groups can be the same or different. 
     
     
       20. A silver halide color photographic material as in claim 3, wherein the ratio of the coupler represented by formula (I)/other color image-forming couplers is from 10/90 to 60/40. 
     
     
       21. A silver halide color photographic light-sensitive material as in claim 7, wherein the ratio of the coupler represented by formula (I)/other color image-forming couplers is from 10/90 to 60/40. 
     
     
       22. A silver halide color photographic material as in claim 1, wherein the substituents at at least one of the 2-position and the 4-position of A are selected from a hydroxy group and a sulfonamido group. 
     
     
       23. A silver halide color photographic material as in claim 6, wherein the substituents at at least one of the 2-position and the 4-position of A are selected from a hydroxy group and a sulfonamido group. 
     
     
       24. A silver halide color photographic material as in claim 1, wherein the substituted amino group on A is an aliphatic amino group and it has from 1 to 8 carbon atoms. 
     
     
       25. A silver halide color photographic material as in claim 6, wherein the substituted amino group on A is an aliphatic amino group and it has from 1 to 8 carbon atoms. 
     
     
       26. A silver halide color photographic material as in claim 1, wherein when the substituent on A is an aromatic amino group and it has from 6 to 10 carbon atoms. 
     
     
       27. A silver halide color photographic material as in claim 6, wherein when the substituent on A is an aromatic amino group and it has from 6 to 10 carbon atoms. 
     
     
       28. A silver halide color photographic material as in claim 1, wherein A is substituted at both the 2-position and the 4-position thereof. 
     
     
       29. A silver halide color photographic material as in claim 6, wherein A is substituted at both the 2-position and the 4-position thereof. 
     
     
       30. A silver halide color photographic material as in claim 1, wherein --O--A after release causes an oxidation-reduction reaction with the oxidation product of a developing agent. 
     
     
       31. A silver halide color photographic material as in claim 6, wherein --O--A after release causes an oxidation-reduction reaction with the oxidation product of a developing agent.